HANSCOM AIR FORCE BASE, Mass. – Command Chief Master Sgt. Craig A. Poling stands alongside Tech. Sgt. selects Luis R. Martinez, Olga M. Tolentino and Shayne M. Taglieri after the three learned of their promotion. Air Force officials selected 6,684 of 38,344 eligible staff sergeants for promotion to technical sergeant for a selection rate of 17.43 percent. (U.S. Air Force photo by Walter Santos)